. >>> back at home, four were shot at a tax preparer's business in detroit. police say that a 19-year-old girl became upset that the preparer did not have her refund th opened fire. four employees were wounded. one of them critically. the man and woman are in custody. >>> and 28 people from five states that were arrested in a $21 million insurance fraud scheme allegedly involving former new york city police and firefighters, that is in addition to 106 people arrested last month. the suspects are accused of fraudulently collecting years' worth of disability benefits for posttraumatic stress that they claimed was caused by the september 11th attacks in new york city. >>> and finally, take a look at this new video of bao bao, the panda cub that everyone seems to have fallen in love with including sara here. bao bao is seen target training. that is what it's called, teaching her to follow a target. in this case a purple ball and touch it with her nose. this type of training will allow keepers to safely position her in order to take care of and examine her when th